PLEASE NOTE: We take no responsibility for any changes you make to your hardware, software, drivers or O/S as a result of the cheats listed here. Only a few of the cheats listed have been tested and we cannot guarantee any of them will work. If you come across a bad/non-working cheat, please let us know and we will remove it.
Enter 5SQQ-STHA-ZFFV-7XEV as your profile name (including the dashes).
Silver Weapons (unlimited ammo) - Beat the game on normal or hard difficulty for Silver weapons on that difficulty or less.
Black Ops mode - Beat the game on hard difficulty.
M16A2 - Beat the game on Black Ops mode.